Foods that help with vitamin A supplementation include animal liver, carrots, and pumpkin. Animal livers such as chicken liver, duck liver, foie gras and other foods have 4972 micrograms of retinol equivalents of vitamin A per 100 grams of pig liver, while chicken liver contains 10414.0 micrograms of retinol equivalents. In vegetables such as carrots and pumpkin, the vitamin A per 100 grams corresponds to 685 micrograms of retinol equivalents and 148 micrograms of retinol equivalents, respectively. Vitamin A is an important for the human body to maintain normal metabolism and function of the fat-soluble vitamins necessary, containing vitamin A foods are poultry, livestock liver, egg yolks, etc., but the food is not a drug, and can not play the same as the efficacy of the drug, such as the case of a serious lack of please consult a doctor offline in a timely manner.